Openwrt v21.02.0 contains a new Batman Adv that now offers hop_penalty per hardif.
We can use this to prefer one tunnel for outgoing traffic if there are several VPNs. Eg. fastd and vxlan.
This Patch sets the hop_penalty for the fastd tunnel to 30.
Signed-off-by: Robert Langhammer <rlanghammer@web.de>